Quote:
Originally Posted by bosrocker51
Well, I confess I've never done a side by side with EL34s v. 6550s. However... I put Tesla EL34's in a 1973 50w (UK) market) bass head and was AMAZED at the tone. It sounded good before with JJs or something, but those Tesla's are phenominal. I think the tubes I put in are 80's NOS. I urge you to use Tesla tubes. Cheaper than Mullards, and better sounding to my ears, and yes, I have a set of vintage Mullard EL34s, put those in, played, and then went back to the Teslas. best....
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I agree about the NOS tubes, they are supposed to sound great.
I have just mounted cryo-treated 6550 Sovteks Winged C tubes into my Marshall 9100, and the sound is just mind blowing!!! Not as brittle sounding as the standard 6550s, much more rounded and pleasing to my ears. On the other hand, not the typical Marshall sound you would get with EL34s...
Btw. Tesla and JJ are the VERY same factory, the original Slovak Tesla communist factory was (right after the fall of the iron wall in Slovakia in 1989) bought by a guy called Mr. Juraj Jurco, hence the JJ
LOL I should know this, I was born very close to the original Tesla headquarters...